Re: [PATCH 1/2] Revert "drm/msm/dpu: support plane splitting in quad-pipe case"

[Jun Nie]

Abel Vesa <abel.vesa@xxxxxxxxxxxxxxxx> 于2025年12月19日周五 18:39写道：
>
> This reverts commit 5978864e34b66bdae4d7613834c03dd5d0a0c891.
>
> At least on Hamoa based devices, there are IOMMU faults:
>
> arm-smmu 15000000.iommu: Unhandled context fault: fsr=0x402, iova=0x00000000, fsynr=0x3d0023, cbfrsynra=0x1c00, cb=13
> arm-smmu 15000000.iommu: FSR    = 00000402 [Format=2 TF], SID=0x1c00
> arm-smmu 15000000.iommu: FSYNR0 = 003d0023 [S1CBNDX=61 PNU PLVL=3]
>
> While on some of these devices, there are also all sorts of artifacts on eDP.

Hi Abel,

Could you help check what's the pipe topology of your eDP case? I need
to reproduce the issue.
Or could you help share the content of
/sys/kernel/debug/dri/ae01000.display-controller/state?
Thanks!

Regards,
Jun